# clm_03DDDA291EA7

subject: OpenAI o3 (/record/openai-o3.md)  
predicate: released  
value: OpenAI o3  
valid_from: 2025-04-16  
valid_to: null  
published: 2025-04-16  
recorded: 2026-11-03  
confidence: 0.50  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> Introducing OpenAI o3 and o4-mini. Our smartest and most capable models to date with full tool access

What https://openai.com/index/introducing-o3-and-o4-mini says, word for word.

## Sources

- https://openai.com/index/introducing-o3-and-o4-mini (primary, OpenAI, published 2025-04-16)
- https://openai.com/index/o3-o4-mini-system-card-addendum-operator-o3 (primary, OpenAI, published 2025-05-23)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.